8712291 has 8 divisors (see below), whose sum is σ = 13275904. Its totient is φ = 4978440.

The previous prime is 8712287. The next prime is 8712293. The reversal of 8712291 is 1922178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8712291 - 2² = 8712287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8712293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207415 + ... + 207456.

It is an arithmetic number, because the mean of its divisors is an integer number (1659488).

Almost surely, 2^8712291 is an apocalyptic number.

8712291 is a deficient number, since it is larger than the sum of its proper divisors (4563613).

8712291 is a wasteful number, since it uses less digits than its factorization.

8712291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414881.

The product of its digits is 2016, while the sum is 30.

The square root of 8712291 is about 2951.6590250230. The cubic root of 8712291 is about 205.7678205439.

The spelling of 8712291 in words is "eight million, seven hundred twelve thousand, two hundred ninety-one".